/**
* FormHandler::hiddenField()
*
* Create a hidden field
*
* @param string $name: The name of the field
* @param string $value: The value of the field
* @param string $validator: The validator which should be used to validate the value of the field
* @param string $extra: CSS, Javascript or other which are inserted into the HTML tag
* @return void
* @access public
* @author Teye Heimans
*/
function hiddenField($name, $value = null, $validator = null, $extra = null)
{
require_once FH_INCLUDE_DIR . 'fields/class.HiddenField.php';
// create new hidden field
$fld = new HiddenField($this, $name);
// only set the hidden field value if there is not a value in the $_POST array
if (!is_null($value) && !$this->isPosted()) {
$fld->setValue($value);
}
if (!empty($validator)) {
$fld->setValidator($validator);
}
if (!empty($extra)) {
$fld->setExtra($extra);
}
// register the field
$this->_registerField($name, $fld, '__HIDDEN__');
}
